/**
 * Copyright (c) 2006-2020, JGraph Ltd
 * Copyright (c) 2006-2020, draw.io AG
 *
 * Constructs the actions object for the given UI.
 */
function Actions(editorUi) {
  this.editorUi = editorUi;
  this.actions = new Object();
  this.init();
};

/**
 * Adds the default actions.
 */
Actions.prototype.init = function () {
  var ui = this.editorUi;
  var editor = ui.editor;
  var graph = editor.graph;
  var isGraphEnabled = function () {
    return Action.prototype.isEnabled.apply(this, arguments) && graph.isEnabled();
  };

  // File actions
  this.addAction('new...', function () {
    graph.openLink(ui.getUrl());
  });
  this.addAction('open...', function () {
    window.openNew = true;
    window.openKey = 'open';

    ui.openFile();
  });
  this.addAction('import...', function () {
    window.openNew = false;
    window.openKey = 'import';

    // Closes dialog after open
    window.openFile = new OpenFile(mxUtils.bind(this, function () {
      ui.hideDialog();
    }));

    window.openFile.setConsumer(mxUtils.bind(this, function (xml, filename) {
      try {
        var doc = mxUtils.parseXml(xml);
        editor.graph.setSelectionCells(editor.graph.importGraphModel(doc.documentElement));
      } catch (e) {
        mxUtils.alert(mxResources.get('invalidOrMissingFile') + ': ' + e.message);
      }
    }));

    // Removes openFile if dialog is closed
    ui.showDialog(new OpenDialog(this).container, 320, 220, true, true, function () {
      window.openFile = null;
    });
  }).isEnabled = isGraphEnabled;
  this.addAction('save', function () {
    ui.saveFile(false);
  }, null, null, Editor.ctrlKey + '+S').isEnabled = isGraphEnabled;
  this.addAction('saveAs...', function () {
    ui.saveFile(true);
  }, null, null, Editor.ctrlKey + '+Shift+S').isEnabled = isGraphEnabled;
  this.addAction('export...', function () {
    ui.showDialog(new ExportDialog(ui).container, 300, 296, true, true);
  });
  this.addAction('editDiagram...', function () {
    var dlg = new EditDiagramDialog(ui);
    ui.showDialog(dlg.container, 620, 420, true, false);
    dlg.init();
  });
  this.addAction('pageSetup...', function () {
    ui.showDialog(new PageSetupDialog(ui).container, 320, 220, true, true);
  }).isEnabled = isGraphEnabled;
  this.addAction('print...', function () {
    ui.showDialog(new PrintDialog(ui).container, 300, 180, true, true);
  }, null, 'sprite-print', Editor.ctrlKey + '+P');
  this.addAction('preview', function () {
    mxUtils.show(graph, null, 10, 10);
  });

  // Edit actions
  this.addAction('undo', function () {
    ui.undo();
  }, null, 'sprite-undo', Editor.ctrlKey + '+Z');
  this.addAction('redo', function () {
    ui.redo();
  }, null, 'sprite-redo', (!mxClient.IS_WIN) ? Editor.ctrlKey + '+Shift+Z' : Editor.ctrlKey + '+Y');
  this.addAction('cut', function () {
    mxClipboard.cut(graph);
  }, null, 'sprite-cut', Editor.ctrlKey + '+X');
  this.addAction('copy', function () {
    try {
      mxClipboard.copy(graph);
    } catch (e) {
      ui.handleError(e);
    }
  }, null, 'sprite-copy', Editor.ctrlKey + '+C');
  this.addAction('paste', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      mxClipboard.paste(graph);
    }
  }, false, 'sprite-paste', Editor.ctrlKey + '+V');
  this.addAction('pasteHere', function (evt) {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      graph.getModel().beginUpdate();
      try {
        var cells = mxClipboard.paste(graph);

        if (cells != null) {
          var includeEdges = true;

          for (var i = 0; i < cells.length && includeEdges; i++) {
            includeEdges = includeEdges && graph.model.isEdge(cells[i]);
          }

          var t = graph.view.translate;
          var s = graph.view.scale;
          var dx = t.x;
          var dy = t.y;
          var bb = null;

          if (cells.length == 1 && includeEdges) {
            var geo = graph.getCellGeometry(cells[0]);

            if (geo != null) {
              bb = geo.getTerminalPoint(true);
            }
          }

          bb = (bb != null) ? bb : graph.getBoundingBoxFromGeometry(cells, includeEdges);

          if (bb != null) {
            var x = Math.round(graph.snap(graph.popupMenuHandler.triggerX / s - dx));
            var y = Math.round(graph.snap(graph.popupMenuHandler.triggerY / s - dy));

            graph.cellsMoved(cells, x - bb.x, y - bb.y);
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });

  this.addAction('copySize', function (evt) {
    var cell = graph.getSelectionCell();

    if (graph.isEnabled() && cell != null && graph.getModel().isVertex(cell)) {
      var geo = graph.getCellGeometry(cell);

      if (geo != null) {
        ui.copiedSize = new mxRectangle(geo.x, geo.y, geo.width, geo.height);
      }
    }
  }, null, null, 'Alt+Shift+X');

  this.addAction('pasteSize', function (evt) {
    if (graph.isEnabled() && !graph.isSelectionEmpty() && ui.copiedSize != null) {
      graph.getModel().beginUpdate();

      try {
        var cells = graph.getSelectionCells();

        for (var i = 0; i < cells.length; i++) {
          if (graph.getModel().isVertex(cells[i])) {
            var geo = graph.getCellGeometry(cells[i]);

            if (geo != null) {
              geo = geo.clone();
              geo.width = ui.copiedSize.width;
              geo.height = ui.copiedSize.height;

              graph.getModel().setGeometry(cells[i], geo);
            }
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, 'Alt+Shift+V');

  function deleteCells(includeEdges) {
    // Cancels interactive operations
    graph.escape();
    var select = graph.deleteCells(graph.getDeletableCells(graph.getSelectionCells()), includeEdges);

    if (select != null) {
      graph.setSelectionCells(select);
    }
  };

  this.addAction('delete', function (evt) {
    deleteCells(evt != null && mxEvent.isShiftDown(evt));
  }, null, null, 'Delete');
  this.addAction('deleteAll', function () {
    deleteCells(true);
  }, null, null, Editor.ctrlKey + '+Delete');
  this.addAction('duplicate', function () {
    try {
      graph.setSelectionCells(graph.duplicateCells());
    } catch (e) {
      ui.handleError(e);
    }
  }, null, null, Editor.ctrlKey + '+D');
  this.put('turn', new Action(mxResources.get('turn') + ' / ' + mxResources.get('reverse'), function (evt) {
    graph.turnShapes(graph.getSelectionCells(), (evt != null) ? mxEvent.isShiftDown(evt) : false);
  }, null, null, Editor.ctrlKey + '+R'));
  this.addAction('selectVertices', function () {
    graph.selectVertices(null, true);
  }, null, null, Editor.ctrlKey + '+Shift+I');
  this.addAction('selectEdges', function () {
    graph.selectEdges();
  }, null, null, Editor.ctrlKey + '+Shift+E');
  this.addAction('selectAll', function () {
    graph.selectAll(null, true);
  }, null, null, Editor.ctrlKey + '+A');
  this.addAction('selectNone', function () {
    graph.clearSelection();
  }, null, null, Editor.ctrlKey + '+Shift+A');
  this.addAction('lockUnlock', function () {
    if (!graph.isSelectionEmpty()) {
      graph.getModel().beginUpdate();
      try {
        var defaultValue = graph.isCellMovable(graph.getSelectionCell()) ? 1 : 0;
        graph.toggleCellStyles(mxConstants.STYLE_MOVABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_RESIZABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_ROTATABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_DELETABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_EDITABLE, defaultValue);
        graph.toggleCellStyles('connectable', defaultValue);
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, Editor.ctrlKey + '+L');

  // Navigation actions
  this.addAction('home', function () {
    graph.home();
  }, null, null, 'Shift+Home');
  this.addAction('exitGroup', function () {
    graph.exitGroup();
  }, null, null, Editor.ctrlKey + '+Shift+Home');
  this.addAction('enterGroup', function () {
    graph.enterGroup();
  }, null, null, Editor.ctrlKey + '+Shift+End');
  this.addAction('collapse', function () {
    graph.foldCells(true);
  }, null, null, Editor.ctrlKey + '+Home');
  this.addAction('expand', function () {
    graph.foldCells(false);
  }, null, null, Editor.ctrlKey + '+End');

  // Arrange actions
  this.addAction('toFront', function () {
    graph.orderCells(false);
  }, null, null, Editor.ctrlKey + '+Shift+F');
  this.addAction('toBack', function () {
    graph.orderCells(true);
  }, null, null, Editor.ctrlKey + '+Shift+B');
  this.addAction('group', function () {
    if (graph.getSelectionCount() == 1) {
      graph.setCellStyles('container', '1');
    } else {
      graph.setSelectionCell(graph.groupCells(null, 0));
    }
  }, null, null, Editor.ctrlKey + '+G');
  this.addAction('ungroup', function () {
    if (graph.getSelectionCount() == 1 && graph.getModel().getChildCount(graph.getSelectionCell()) == 0) {
      graph.setCellStyles('container', '0');
    } else {
      graph.setSelectionCells(graph.ungroupCells());
    }
  }, null, null, Editor.ctrlKey + '+Shift+U');
  this.addAction('removeFromGroup', function () {
    graph.removeCellsFromParent();
  });
  // Adds action
  this.addAction('edit', function () {
    if (graph.isEnabled()) {
      graph.startEditingAtCell();
    }
  }, null, null, 'F2/Enter');
  this.addAction('editData...', function () {
    var cell = graph.getSelectionCell() || graph.getModel().getRoot();
    ui.showDataDialog(cell);
  }, null, null, Editor.ctrlKey + '+M');
  this.addAction('editTooltip...', function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      var cell = graph.getSelectionCell();
      var tooltip = '';

      if (mxUtils.isNode(cell.value)) {
        var tmp = cell.value.getAttribute('tooltip');

        if (tmp != null) {
          tooltip = tmp;
        }
      }

      var dlg = new TextareaDialog(ui, mxResources.get('editTooltip') + ':', tooltip, function (newValue) {
        graph.setTooltipForCell(cell, newValue);
      });
      ui.showDialog(dlg.container, 320, 200, true, true);
      dlg.init();
    }
  }, null, null, 'Alt+Shift+T');
  this.addAction('openLink', function () {
    var link = graph.getLinkForCell(graph.getSelectionCell());

    if (link != null) {
      graph.openLink(link);
    }
  });
  this.addAction('editLink...', function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      var cell = graph.getSelectionCell();
      var value = graph.getLinkForCell(cell) || '';

      ui.showLinkDialog(value, mxResources.get('apply'), function (link) {
        link = mxUtils.trim(link);
        graph.setLinkForCell(cell, (link.length > 0) ? link : null);
      });
    }
  }, null, null, 'Alt+Shift+L');
  this.put('insertImage', new Action(mxResources.get('image') + '...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      graph.clearSelection();
      ui.actions.get('image').funct();
    }
  })).isEnabled = isGraphEnabled;
  this.put('insertLink', new Action(mxResources.get('link') + '...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      ui.showLinkDialog('', mxResources.get('insert'), function (link, docs) {
        link = mxUtils.trim(link);

        if (link.length > 0) {
          var icon = null;
          var title = graph.getLinkTitle(link);

          if (docs != null && docs.length > 0) {
            icon = docs[0].iconUrl;
            title = docs[0].name || docs[0].type;
            title = title.charAt(0).toUpperCase() + title.substring(1);

            if (title.length > 30) {
              title = title.substring(0, 30) + '...';
            }
          }

          var pt = graph.getFreeInsertPoint();
          var linkCell = new mxCell(title, new mxGeometry(pt.x, pt.y, 100, 40),
            'fontColor=#0000EE;fontStyle=4;rounded=1;overflow=hidden;' + ((icon != null) ?
            'shape=label;imageWidth=16;imageHeight=16;spacingLeft=26;align=left;image=' + icon :
            'spacing=10;'));
          linkCell.vertex = true;

          graph.setLinkForCell(linkCell, link);
          graph.cellSizeUpdated(linkCell, true);

          graph.getModel().beginUpdate();
          try {
            linkCell = graph.addCell(linkCell);
            graph.fireEvent(new mxEventObject('cellsInserted', 'cells', [linkCell]));
          } finally {
            graph.getModel().endUpdate();
          }

          graph.setSelectionCell(linkCell);
          graph.scrollCellToVisible(graph.getSelectionCell());
        }
      });
    }
  })).isEnabled = isGraphEnabled;
  this.addAction('link...', mxUtils.bind(this, function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled()) {
      if (graph.cellEditor.isContentEditing()) {
        var elt = graph.getSelectedElement();
        var link = graph.getParentByName(elt, 'A', graph.cellEditor.textarea);
        var oldValue = '';

        // Workaround for FF returning the outermost selected element after double
        // click on a DOM hierarchy with a link inside (but not as topmost element)
        if (link == null && elt != null && elt.getElementsByTagName != null) {
          // Finds all links in the selected DOM and uses the link
          // where the selection text matches its text content
          var links = elt.getElementsByTagName('a');

          for (var i = 0; i < links.length && link == null; i++) {
            if (links[i].textContent == elt.textContent) {
              link = links[i];
            }
          }
        }

        if (link != null && link.nodeName == 'A') {
          oldValue = link.getAttribute('href') || '';
          graph.selectNode(link);
        }

        var selState = graph.cellEditor.saveSelection();

        ui.showLinkDialog(oldValue, mxResources.get('apply'), mxUtils.bind(this, function (value) {
          graph.cellEditor.restoreSelection(selState);

          if (value != null) {
            graph.insertLink(value);
          }
        }));
      } else if (graph.isSelectionEmpty()) {
        this.get('insertLink').funct();
      } else {
        this.get('editLink').funct();
      }
    }
  })).isEnabled = isGraphEnabled;
  this.addAction('autosize', function () {
    var cells = graph.getSelectionCells();

    if (cells != null) {
      graph.getModel().beginUpdate();
      try {
        for (var i = 0; i < cells.length; i++) {
          var cell = cells[i];

          if (graph.getModel().getChildCount(cell)) {
            graph.updateGroupBounds([cell], 20);
          } else {
            var state = graph.view.getState(cell);
            var geo = graph.getCellGeometry(cell);

            if (graph.getModel().isVertex(cell) && state != null && state.text != null &&
              geo != null && graph.isWrapping(cell)) {
              geo = geo.clone();
              geo.height = state.text.boundingBox.height / graph.view.scale;
              graph.getModel().setGeometry(cell, geo);
            } else {
              graph.updateCellSize(cell);
            }
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, Editor.ctrlKey + '+Shift+Y');
  this.addAction('formattedText', function () {
    var refState = graph.getView().getState(graph.getSelectionCell());

    if (refState != null) {
      graph.stopEditing();
      var value = (refState.style['html'] == '1') ? null : '1';

      graph.getModel().beginUpdate();
      try {
        var cells = graph.getSelectionCells();

        for (var i = 0; i < cells.length; i++) {
          state = graph.getView().getState(cells[i]);

          if (state != null) {
            var html = mxUtils.getValue(state.style, 'html', '0');

            if (html == '1' && value == null) {
              var label = graph.convertValueToString(state.cell);

              if (mxUtils.getValue(state.style, 'nl2Br', '1') != '0') {
                // Removes newlines from HTML and converts breaks to newlines
                // to match the HTML output in plain text
                label = label.replace(/\n/g, '').replace(/<br\s*.?>/g, '\n');
              }

              // Removes HTML tags
              var temp = document.createElement('div');
              temp.innerHTML = graph.sanitizeHtml(label);
              label = mxUtils.extractTextWithWhitespace(temp.childNodes);

              graph.cellLabelChanged(state.cell, label);
              graph.setCellStyles('html', value, [cells[i]]);
            } else if (html == '0' && value == '1') {
              // Converts HTML tags to text
              var label = mxUtils.htmlEntities(graph.convertValueToString(state.cell), false);

              if (mxUtils.getValue(state.style, 'nl2Br', '1') != '0') {
                // Converts newlines in plain text to breaks in HTML
                // to match the plain text output
                label = label.replace(/\n/g, '<br/>');
              }

              graph.cellLabelChanged(state.cell, graph.sanitizeHtml(label));
              graph.setCellStyles('html', value, [cells[i]]);
            }
          }
        }

        ui.fireEvent(new mxEventObject('styleChanged', 'keys', ['html'],
          'values', [(value != null) ? value : '0'], 'cells', cells));
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });
  this.addAction('wordWrap', function () {
    var state = graph.getView().getState(graph.getSelectionCell());
    var value = 'wrap';

    graph.stopEditing();

    if (state != null && state.style[mxConstants.STYLE_WHITE_SPACE] == 'wrap') {
      value = null;
    }

    graph.setCellStyles(mxConstants.STYLE_WHITE_SPACE, value);
  });
  this.addAction('rotation', function () {
    var value = '0';
    var state = graph.getView().getState(graph.getSelectionCell());

    if (state != null) {
      value = state.style[mxConstants.STYLE_ROTATION] || value;
    }

    var dlg = new FilenameDialog(ui, value, mxResources.get('apply'), function (newValue) {
      if (newValue != null && newValue.length > 0) {
        graph.setCellStyles(mxConstants.STYLE_ROTATION, newValue);
      }
    }, mxResources.get('enterValue') + ' (' + mxResources.get('rotation') + ' 0-360)');

    ui.showDialog(dlg.container, 375, 80, true, true);
    dlg.init();
  });
  // View actions
  this.addAction('resetView', function () {
    graph.zoomTo(1);
    ui.resetScrollbars();
  }, null, null, 'Home');
  this.addAction('zoomIn', function (evt) {
    if (graph.isFastZoomEnabled()) {
      graph.lazyZoom(true, true, ui.buttonZoomDelay);
    } else {
      graph.zoomIn();
    }
  }, null, null, Editor.ctrlKey + ' + (Numpad) / Alt+Mousewheel');
  this.addAction('zoomOut', function (evt) {
    if (graph.isFastZoomEnabled()) {
      graph.lazyZoom(false, true, ui.buttonZoomDelay);
    } else {
      graph.zoomOut();
    }
  }, null, null, Editor.ctrlKey + ' - (Numpad) / Alt+Mousewheel');
  this.addAction('fitWindow', function () {
    var bounds = (graph.isSelectionEmpty()) ? graph.getGraphBounds() : graph.getBoundingBox(graph.getSelectionCells());
    var t = graph.view.translate;
    var s = graph.view.scale;
    bounds.width /= s;
    bounds.height /= s;
    bounds.x = bounds.x / s - t.x;
    bounds.y = bounds.y / s - t.y;

    var cw = graph.container.clientWidth - 10;
    var ch = graph.container.clientHeight - 10;
    var scale = Math.floor(20 * Math.min(cw / bounds.width, ch / bounds.height)) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      graph.container.scrollTop = (bounds.y + t.y) * scale -
        Math.max((ch - bounds.height * scale) / 2 + 5, 0);
      graph.container.scrollLeft = (bounds.x + t.x) * scale -
        Math.max((cw - bounds.width * scale) / 2 + 5, 0);
    }
  }, null, null, Editor.ctrlKey + '+Shift+H');
  this.addAction('fitPage', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;
    var ch = graph.container.clientHeight - 10;
    var scale = Math.floor(20 * Math.min(cw / fmt.width / ps, ch / fmt.height / ps)) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollTop = pad.y * graph.view.scale - 1;
      graph.container.scrollLeft = Math.min(pad.x * graph.view.scale, (graph.container.scrollWidth - graph.container.clientWidth) / 2) - 1;
    }
  }), null, null, Editor.ctrlKey + '+J');
  this.addAction('fitTwoPages', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;
    var ch = graph.container.clientHeight - 10;

    var scale = Math.floor(20 * Math.min(cw / (2 * fmt.width) / ps, ch / fmt.height / ps)) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollTop = Math.min(pad.y, (graph.container.scrollHeight - graph.container.clientHeight) / 2);
      graph.container.scrollLeft = Math.min(pad.x, (graph.container.scrollWidth - graph.container.clientWidth) / 2);
    }
  }), null, null, Editor.ctrlKey + '+Shift+J');
  this.addAction('fitPageWidth', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;

    var scale = Math.floor(20 * cw / fmt.width / ps) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollLeft = Math.min(pad.x * graph.view.scale,
        (graph.container.scrollWidth - graph.container.clientWidth) / 2);
    }
  }));
  this.put('customZoom', new Action(mxResources.get('custom') + '...', mxUtils.bind(this, function () {
    var dlg = new FilenameDialog(this.editorUi, parseInt(graph.getView().getScale() * 100), mxResources.get('apply'), mxUtils.bind(this, function (newValue) {
      var val = parseInt(newValue);

      if (!isNaN(val) && val > 0) {
        graph.zoomTo(val / 100);
      }
    }), mxResources.get('zoom') + ' (%)');
    this.editorUi.showDialog(dlg.container, 300, 80, true, true);
    dlg.init();
  }), null, null, Editor.ctrlKey + '+0'));
  this.addAction('pageScale...', mxUtils.bind(this, function () {
    var dlg = new FilenameDialog(this.editorUi, parseInt(graph.pageScale * 100), mxResources.get('apply'), mxUtils.bind(this, function (newValue) {
      var val = parseInt(newValue);

      if (!isNaN(val) && val > 0) {
        var change = new ChangePageSetup(ui, null, null, null, val / 100);
        change.ignoreColor = true;
        change.ignoreImage = true;

        graph.model.execute(change);
      }
    }), mxResources.get('pageScale') + ' (%)');
    this.editorUi.showDialog(dlg.container, 300, 80, true, true);
    dlg.init();
  }));

  // Option actions
  var action = null;
  action = this.addAction('grid', function () {
    graph.setGridEnabled(!graph.isGridEnabled());
    ui.fireEvent(new mxEventObject('gridEnabledChanged'));
  }, null, null, Editor.ctrlKey + '+Shift+G');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.isGridEnabled();
  });
  action.setEnabled(false);

  action = this.addAction('guides', function () {
    graph.graphHandler.guidesEnabled = !graph.graphHandler.guidesEnabled;
    ui.fireEvent(new mxEventObject('guidesEnabledChanged'));
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.graphHandler.guidesEnabled;
  });
  action.setEnabled(false);

  action = this.addAction('tooltips', function () {
    graph.tooltipHandler.setEnabled(!graph.tooltipHandler.isEnabled());
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.tooltipHandler.isEnabled();
  });

  action = this.addAction('collapseExpand', function () {
    var change = new ChangePageSetup(ui);
    change.ignoreColor = true;
    change.ignoreImage = true;
    change.foldingEnabled = !graph.foldingEnabled;

    graph.model.execute(change);
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.foldingEnabled;
  });
  action.isEnabled = isGraphEnabled;
  action = this.addAction('scrollbars', function () {
    ui.setScrollbars(!ui.hasScrollbars());
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.scrollbars;
  });
  action = this.addAction('pageView', mxUtils.bind(this, function () {
    ui.setPageVisible(!graph.pageVisible);
  }));
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.pageVisible;
  });
  action = this.addAction('connectionArrows', function () {
    graph.connectionArrowsEnabled = !graph.connectionArrowsEnabled;
    ui.fireEvent(new mxEventObject('connectionArrowsChanged'));
  }, null, null, 'Alt+Shift+A');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionArrowsEnabled;
  });
  action = this.addAction('connectionPoints', function () {
    graph.setConnectable(!graph.connectionHandler.isEnabled());
    ui.fireEvent(new mxEventObject('connectionPointsChanged'));
  }, null, null, 'Alt+Shift+P');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionHandler.isEnabled();
  });
  action = this.addAction('copyConnect', function () {
    graph.connectionHandler.setCreateTarget(!graph.connectionHandler.isCreateTarget());
    ui.fireEvent(new mxEventObject('copyConnectChanged'));
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionHandler.isCreateTarget();
  });
  action.isEnabled = isGraphEnabled;
  action = this.addAction('autosave', function () {
    ui.editor.setAutosave(!ui.editor.autosave);
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return ui.editor.autosave;
  });
  action.isEnabled = isGraphEnabled;
  action.visible = false;

  // Help actions
  this.addAction('help', function () {
    var ext = '';

    if (mxResources.isLanguageSupported(mxClient.language)) {
      ext = '_' + mxClient.language;
    }

    graph.openLink(RESOURCES_PATH + '/help' + ext + '.html');
  });

  var showingAbout = false;

  this.put('about', new Action(mxResources.get('about') + ' Graph Editor...', function () {
    if (!showingAbout) {
      ui.showDialog(new AboutDialog(ui).container, 320, 280, true, true, function () {
        showingAbout = false;
      });

      showingAbout = true;
    }
  }));

  // Font style actions
  var toggleFontStyle = mxUtils.bind(this, function (key, style, fn, shortcut) {
    return this.addAction(key, function () {
      if (fn != null && graph.cellEditor.isContentEditing()) {
        fn();
      } else {
        graph.stopEditing(false);

        graph.getModel().beginUpdate();
        try {
          var cells = graph.getSelectionCells();
          graph.toggleCellStyleFlags(mxConstants.STYLE_FONTSTYLE, style, cells);

          // Removes bold and italic tags and CSS styles inside labels
          if ((style & mxConstants.FONT_BOLD) == mxConstants.FONT_BOLD) {
            graph.updateLabelElements(graph.getSelectionCells(), function (elt) {
              elt.style.fontWeight = null;

              if (elt.nodeName == 'B') {
                graph.replaceElement(elt);
              }
            });
          } else if ((style & mxConstants.FONT_ITALIC) == mxConstants.FONT_ITALIC) {
            graph.updateLabelElements(graph.getSelectionCells(), function (elt) {
              elt.style.fontStyle = null;

              if (elt.nodeName == 'I') {
                graph.replaceElement(elt);
              }
            });
          } else if ((style & mxConstants.FONT_UNDERLINE) == mxConstants.FONT_UNDERLINE) {
            graph.updateLabelElements(graph.getSelectionCells(), function (elt) {
              elt.style.textDecoration = null;

              if (elt.nodeName == 'U') {
                graph.replaceElement(elt);
              }
            });
          }

          for (var i = 0; i < cells.length; i++) {
            if (graph.model.getChildCount(cells[i]) == 0) {
              graph.autoSizeCell(cells[i], false);
            }
          }
        } finally {
          graph.getModel().endUpdate();
        }
      }
    }, null, null, shortcut);
  });

  toggleFontStyle('bold', mxConstants.FONT_BOLD, function () {
    document.execCommand('bold', false, null);
  }, Editor.ctrlKey + '+B');
  toggleFontStyle('italic', mxConstants.FONT_ITALIC, function () {
    document.execCommand('italic', false, null);
  }, Editor.ctrlKey + '+I');
  toggleFontStyle('underline', mxConstants.FONT_UNDERLINE, function () {
    document.execCommand('underline', false, null);
  }, Editor.ctrlKey + '+U');

  // Color actions
  this.addAction('fontColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_FONTCOLOR, 'forecolor', '000000');
  });
  this.addAction('strokeColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_STROKECOLOR);
  });
  this.addAction('fillColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_FILLCOLOR);
  });
  this.addAction('gradientColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_GRADIENTCOLOR);
  });
  this.addAction('backgroundColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_LABEL_BACKGROUNDCOLOR, 'backcolor');
  });
  this.addAction('borderColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_LABEL_BORDERCOLOR);
  });

  // Format actions
  this.addAction('vertical', function () {
    ui.menus.toggleStyle(mxConstants.STYLE_HORIZONTAL, true);
  });
  this.addAction('shadow', function () {
    ui.menus.toggleStyle(mxConstants.STYLE_SHADOW);
  });
  this.addAction('solid', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, null);
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, null);
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', [null, null], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('dashed', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, '1');
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, null);
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', ['1', null], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('dotted', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, '1');
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, '1 4');
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', ['1', '1 4'], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('sharp', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '0');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '0');
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['0', '0'], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('rounded', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '1');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '0');
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['1', '0'], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('toggleRounded', function () {
    if (!graph.isSelectionEmpty() && graph.isEnabled()) {
      graph.getModel().beginUpdate();
      try {
        var cells = graph.getSelectionCells();
        var style = graph.getCurrentCellStyle(cells[0]);
        var value = (mxUtils.getValue(style, mxConstants.STYLE_ROUNDED, '0') == '1') ? '0' : '1';

        graph.setCellStyles(mxConstants.STYLE_ROUNDED, value);
        graph.setCellStyles(mxConstants.STYLE_CURVED, null);
        ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
          'values', [value, '0'], 'cells', graph.getSelectionCells()));
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });
  this.addAction('curved', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '0');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '1');
      ui.fireEvent(new mxEventObject('styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['0', '1'], 'cells', graph.getSelectionCells()));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('collapsible', function () {
    var state = graph.view.getState(graph.getSelectionCell());
    var value = '1';

    if (state != null && graph.getFoldingImage(state) != null) {
      value = '0';
    }

    graph.setCellStyles('collapsible', value);
    ui.fireEvent(new mxEventObject('styleChanged', 'keys', ['collapsible'],
      'values', [value], 'cells', graph.getSelectionCells()));
  });
  this.addAction('editStyle...', mxUtils.bind(this, function () {
    var cells = graph.getSelectionCells();

    if (cells != null && cells.length > 0) {
      var model = graph.getModel();

      var dlg = new TextareaDialog(this.editorUi, mxResources.get('editStyle') + ':',
        model.getStyle(cells[0]) || '', function (newValue) {
          if (newValue != null) {
            graph.setCellStyle(mxUtils.trim(newValue), cells);
          }
        }, null, null, 400, 220);
      this.editorUi.showDialog(dlg.container, 420, 300, true, true);
      dlg.init();
    }
  }), null, null, Editor.ctrlKey + '+E');
  this.addAction('setAsDefaultStyle', function () {
    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      ui.setDefaultStyle(graph.getSelectionCell());
    }
  }, null, null, Editor.ctrlKey + '+Shift+D');
  this.addAction('clearDefaultStyle', function () {
    if (graph.isEnabled()) {
      ui.clearDefaultStyle();
    }
  }, null, null, Editor.ctrlKey + '+Shift+R');
  this.addAction('addWaypoint', function () {
    var cell = graph.getSelectionCell();

    if (cell != null && graph.getModel().isEdge(cell)) {
      var handler = editor.graph.selectionCellsHandler.getHandler(cell);

      if (handler instanceof mxEdgeHandler) {
        var t = graph.view.translate;
        var s = graph.view.scale;
        var dx = t.x;
        var dy = t.y;

        var parent = graph.getModel().getParent(cell);
        var pgeo = graph.getCellGeometry(parent);

        while (graph.getModel().isVertex(parent) && pgeo != null) {
          dx += pgeo.x;
          dy += pgeo.y;

          parent = graph.getModel().getParent(parent);
          pgeo = graph.getCellGeometry(parent);
        }

        var x = Math.round(graph.snap(graph.popupMenuHandler.triggerX / s - dx));
        var y = Math.round(graph.snap(graph.popupMenuHandler.triggerY / s - dy));

        handler.addPointAt(handler.state, x, y);
      }
    }
  });
  this.addAction('removeWaypoint', function () {
    // TODO: Action should run with "this" set to action
    var rmWaypointAction = ui.actions.get('removeWaypoint');

    if (rmWaypointAction.handler != null) {
      // NOTE: Popupevent handled and action updated in Menus.createPopupMenu
      rmWaypointAction.handler.removePoint(rmWaypointAction.handler.state, rmWaypointAction.index);
    }
  });
  this.addAction('clearWaypoints', function () {
    var cells = graph.getSelectionCells();

    if (cells != null) {
      cells = graph.addAllEdges(cells);

      graph.getModel().beginUpdate();
      try {
        for (var i = 0; i < cells.length; i++) {
          var cell = cells[i];

          if (graph.getModel().isEdge(cell)) {
            var geo = graph.getCellGeometry(cell);

            if (geo != null) {
              geo = geo.clone();
              geo.points = null;
              graph.getModel().setGeometry(cell, geo);
            }
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, 'Alt+Shift+C');
  action = this.addAction('subscript', mxUtils.bind(this, function () {
    if (graph.cellEditor.isContentEditing()) {
      document.execCommand('subscript', false, null);
    }
  }), null, null, Editor.ctrlKey + '+,');
  action = this.addAction('superscript', mxUtils.bind(this, function () {
    if (graph.cellEditor.isContentEditing()) {
      document.execCommand('superscript', false, null);
    }
  }), null, null, Editor.ctrlKey + '+.');
  action = this.addAction('indent', mxUtils.bind(this, function () {
    // NOTE: Alt+Tab for outdent implemented via special code in
    // keyHandler.getFunction in EditorUi.js. Ctrl+Tab is reserved.
    if (graph.cellEditor.isContentEditing()) {
      document.execCommand('indent', false, null);
    }
  }), null, null, 'Shift+Tab');
  this.addAction('image...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      var title = mxResources.get('image') + ' (' + mxResources.get('url') + '):';
      var state = graph.getView().getState(graph.getSelectionCell());
      var value = '';

      if (state != null) {
        value = state.style[mxConstants.STYLE_IMAGE] || value;
      }

      var selectionState = graph.cellEditor.saveSelection();

      ui.showImageDialog(title, value, function (newValue, w, h) {
        // Inserts image into HTML text
        if (graph.cellEditor.isContentEditing()) {
          graph.cellEditor.restoreSelection(selectionState);
          graph.insertImage(newValue, w, h);
        } else {
          var cells = graph.getSelectionCells();

          if (newValue != null && (newValue.length > 0 || cells.length > 0)) {
            var select = null;

            graph.getModel().beginUpdate();
            try {
              // Inserts new cell if no cell is selected
              if (cells.length == 0) {
                var pt = graph.getFreeInsertPoint();
                cells = [graph.insertVertex(graph.getDefaultParent(), null, '', pt.x, pt.y, w, h,
                  'shape=image;imageAspect=0;aspect=fixed;verticalLabelPosition=bottom;verticalAlign=top;')];
                select = cells;
                graph.fireEvent(new mxEventObject('cellsInserted', 'cells', select));
              }

              graph.setCellStyles(mxConstants.STYLE_IMAGE, (newValue.length > 0) ? newValue : null, cells);

              // Sets shape only if not already shape with image (label or image)
              var style = graph.getCurrentCellStyle(cells[0]);

              if (style[mxConstants.STYLE_SHAPE] != 'image' && style[mxConstants.STYLE_SHAPE] != 'label') {
                graph.setCellStyles(mxConstants.STYLE_SHAPE, 'image', cells);
              } else if (newValue.length == 0) {
                graph.setCellStyles(mxConstants.STYLE_SHAPE, null, cells);
              }

              if (graph.getSelectionCount() == 1) {
                if (w != null && h != null) {
                  var cell = cells[0];
                  var geo = graph.getModel().getGeometry(cell);

                  if (geo != null) {
                    geo = geo.clone();
                    geo.width = w;
                    geo.height = h;
                    graph.getModel().setGeometry(cell, geo);
                  }
                }
              }
            } finally {
              graph.getModel().endUpdate();
            }

            if (select != null) {
              graph.setSelectionCells(select);
              graph.scrollCellToVisible(select[0]);
            }
          }
        }
      }, graph.cellEditor.isContentEditing(), !graph.cellEditor.isContentEditing());
    }
  }).isEnabled = isGraphEnabled;
  action = this.addAction('layers', mxUtils.bind(this, function () {
    if (this.layersWindow == null) {
      // LATER: Check outline window for initial placement
      this.layersWindow = new LayersWindow(ui, document.body.offsetWidth - 280, 120, 220, 196);
      this.layersWindow.window.addListener('show', function () {
        ui.fireEvent(new mxEventObject('layers'));
      });
      this.layersWindow.window.addListener('hide', function () {
        ui.fireEvent(new mxEventObject('layers'));
      });
      this.layersWindow.window.setVisible(true);
      ui.fireEvent(new mxEventObject('layers'));

      this.layersWindow.init();
    } else {
      this.layersWindow.window.setVisible(!this.layersWindow.window.isVisible());
    }
  }), null, null, Editor.ctrlKey + '+Shift+L');
  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return this.layersWindow != null && this.layersWindow.window.isVisible();
  }));
  action = this.addAction('formatPanel', mxUtils.bind(this, function () {
    ui.toggleFormatPanel();
  }), null, null, Editor.ctrlKey + '+Shift+P');
  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return ui.formatWidth > 0;
  }));
  action = this.addAction('outline', mxUtils.bind(this, function () {
    if (this.outlineWindow == null) {
      // LATER: Check layers window for initial placement
      this.outlineWindow = new OutlineWindow(ui, document.body.offsetWidth - 260, 100, 180, 180);
      this.outlineWindow.window.addListener('show', function () {
        ui.fireEvent(new mxEventObject('outline'));
      });
      this.outlineWindow.window.addListener('hide', function () {
        ui.fireEvent(new mxEventObject('outline'));
      });
      this.outlineWindow.window.setVisible(true);
      ui.fireEvent(new mxEventObject('outline'));
    } else {
      this.outlineWindow.window.setVisible(!this.outlineWindow.window.isVisible());
    }
  }), null, null, Editor.ctrlKey + '+Shift+O');

  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return this.outlineWindow != null && this.outlineWindow.window.isVisible();
  }));
};

/**
 * Registers the given action under the given name.
 */
Actions.prototype.addAction = function (key, funct, enabled, iconCls, shortcut) {
  var title;

  if (key.substring(key.length - 3) == '...') {
    key = key.substring(0, key.length - 3);
    title = mxResources.get(key) + '...';
  } else {
    title = mxResources.get(key);
  }

  return this.put(key, new Action(title, funct, enabled, iconCls, shortcut));
};

/**
 * Registers the given action under the given name.
 */
Actions.prototype.put = function (name, action) {
  this.actions[name] = action;

  return action;
};

/**
 * Returns the action for the given name or null if no such action exists.
 */
Actions.prototype.get = function (name) {
  return this.actions[name];
};

/**
 * Constructs a new action for the given parameters.
 */
function Action(label, funct, enabled, iconCls, shortcut) {
  mxEventSource.call(this);
  this.label = label;
  this.funct = this.createFunction(funct);
  this.enabled = (enabled != null) ? enabled : true;
  this.iconCls = iconCls;
  this.shortcut = shortcut;
  this.visible = true;
};

// Action inherits from mxEventSource
mxUtils.extend(Action, mxEventSource);

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.createFunction = function (funct) {
  return funct;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setEnabled = function (value) {
  if (this.enabled != value) {
    this.enabled = value;
    this.fireEvent(new mxEventObject('stateChanged'));
  }
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.isEnabled = function () {
  return this.enabled;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setToggleAction = function (value) {
  this.toggleAction = value;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setSelectedCallback = function (funct) {
  this.selectedCallback = funct;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.isSelected = function () {
  return this.selectedCallback();
};
